 Ignition Coil, Test Procedure |
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| CG-914 |
 Jul 30 2013, 10:51 PM
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#1
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Member  Group: Members Posts: 326 Joined: 27-December 10 From: LA/OC CA Member No.: 12,526 Region Association: Southern California  |
I have a 74 2.0 with the blue bosch coil
I wanna test my coil. What are the ohm numbers I need to see between which points? Wich wire is ground? Is the other getting 12V? Side question: Whats the threat on the oil drain plug? |
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| nathansnathan |
Jul 31 2013, 04:49 PM
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#2
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Senior Member Group: Members Posts: 1,052 Joined: 31-May 10 From: Laguna Beach, CA Member No.: 11,782 Region Association: None |
Ratwell gives some info on blue coils on his bus pages
QUOTE Bosch Black coil (factory original Germany) 0 221 119 020 or 00015 (VW 022 905 115C) turns: 100-1 (unverified) primary: 3.0 Ohm secondary: 9.83 kOhm Bosch Blue coil (Brazil) 0 221 119 027 or 00012 (VW 043 905 115C) turns: 150-1 (unverified) primary: 3.4 Ohm secondary: 7.79 kOhm http://www.ratwell.com/technical/BlueCoil.html The numbers in this image aren't relevant, I think because of the resistor in the blue coil, but it shows how to test primary vs secondary. (IMG:http://www.914world.com/bbs2/uploads_offsite/www.international-auto.com-11782-1375310967.1.gif) |
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Posts in this topic
CG-914 Ignition Coil Jul 30 2013, 10:51 PM
McMark The only real test is to bolt on a new one and see... Jul 31 2013, 12:16 PM The Cabinetmaker No threat on the drain plug. New cruch washer and ... Jul 31 2013, 12:55 PM CG-914 Thank you for the help.
I was asking about the th... Aug 1 2013, 11:48 PM
Elliot Cannon
Thank you for the help.
I was asking about the t... Aug 1 2013, 11:59 PM bulitt Pull the wire going from the coil to the distribut... Aug 2 2013, 05:23 AM |
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